20189954875

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{119027}}^1$

素因数の和:119124

約数の個数: 32

約数和(自身を含む): 26738449920

約数和(自身を除く): 6548495045

約数列:

[1, 5, 23, 25, 59, 115, 125, 295, 575, 1357, 1475, 2875, 6785, 7375, 33925, 119027, 169625, 595135, 2737621, 2975675, 7022593, 13688105, 14878375, 35112965, 68440525, 161519639, 175564825, 342202625, 807598195, 877824125, 4037990975, 20189954875]

約数ペア:

[(1, 20189954875), (5, 4037990975), (23, 877824125), (25, 807598195), (59, 342202625), (115, 175564825), (125, 161519639), (295, 68440525), (575, 35112965), (1357, 14878375), (1475, 13688105), (2875, 7022593), (6785, 2975675), (7375, 2737621), (33925, 595135), (119027, 169625)]